16958964140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{409}}^1\times {\mathrm{5743}}^1$

素因数の和:6199

約数の個数: 72

約数和(自身を含む): 37685350080

約数和(自身を除く): 20726385940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 409, 722, 818, 1444, 1636, 1805, 2045, 3610, 4090, 5743, 7220, 7771, 8180, 11486, 15542, 22972, 28715, 31084, 38855, 57430, 77710, 109117, 114860, 147649, 155420, 218234, 295298, 436468, 545585, 590596, 738245, 1091170, 1476490, 2073223, 2182340, 2348887, 2952980, 4146446, 4697774, 8292892, 9395548, 10366115, 11744435, 20732230, 23488870, 41464460, 44628853, 46977740, 89257706, 178515412, 223144265, 446288530, 847948207, 892577060, 1695896414, 3391792828, 4239741035, 8479482070, 16958964140]

約数ペア:

[(1, 16958964140), (2, 8479482070), (4, 4239741035), (5, 3391792828), (10, 1695896414), (19, 892577060), (20, 847948207), (38, 446288530), (76, 223144265), (95, 178515412), (190, 89257706), (361, 46977740), (380, 44628853), (409, 41464460), (722, 23488870), (818, 20732230), (1444, 11744435), (1636, 10366115), (1805, 9395548), (2045, 8292892), (3610, 4697774), (4090, 4146446), (5743, 2952980), (7220, 2348887), (7771, 2182340), (8180, 2073223), (11486, 1476490), (15542, 1091170), (22972, 738245), (28715, 590596), (31084, 545585), (38855, 436468), (57430, 295298), (77710, 218234), (109117, 155420), (114860, 147649)]